# User drawing -uFLO G4 OPT1 I/O (2104395 BOARD) WIRING W/RS-232,485 AND 422 FOR COMM2 ABB User drawing -uFLO G4 OPT1 I/O (2104395 BOARD) WIRING W/RS-232,485 AND 422 FOR COMM2: electrical connection diagram for instrument and control-system connections. Use this sheet for circuit connections rather than a physical GA footprint. ## Equipment and file summary Equipment / resource: User drawing -uFLO G4 OPT1 I/O (2104395 BOARD) WIRING W/RS-232,485 AND 422 FOR COMM2 Manufacturer: ABB Resource type: Named drawing reference Manufacturer drawing: UD/2104568 Manufacturer reference: UD/2104568 Document revision: - Listed file formats: PDF Listed files: 1 Available previews: 1 drawing previews Recorded revisions: - Source checked: 2026-11-04 Download access: Email registration for site downloads; official source links are also available ## Related GA references - [PLC CPU module](https://eloragrid.ai/objects/ga-plc-cpu-module) - [HMI touchscreen](https://eloragrid.ai/objects/ga-hmi-touchscreen) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/abb-user-drawing-uflo-g4-opt1-i-o-2104395-board-wiring-w-rs-232-485-and-422-for-comm2-fadf0a62bc Manufacturer: ABB Entry type: Named drawing reference Part number: Not specified — select exact configuration Category: Automation & controls Formats: PDF Market discovery: Global Access: Direct download Official source: https://search.abb.com/library/Download.aspx?DocumentID=UD%2F2104568&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=- Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=UD%2F2104568&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=- Source checked: 2026-11-04 1 original file is available to download here. Manufacturer sources and revisions are listed below. Confirm the exact regional configuration against the selected manufacturer drawing. This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. ## In plain English ### Using the User drawing -uFLO G4 OPT1 I/O (2104395 BOARD) WIRING W/RS-232,485 AND 422 FOR COMM2 reference ABB User drawing -uFLO G4 OPT1 I/O (2104395 BOARD) WIRING W/RS-232,485 AND 422 FOR COMM2: electrical connection diagram for instrument and control-system connections. Use this sheet for circuit connections rather than a physical GA footprint. ### A simple example Use UD/2104568.pdf revision - to read the original manufacturer sheet and its annotations. ### What the drawings help you do Use UD/2104568.pdf revision - to read the original manufacturer sheet and its annotations. ### Before using this reference - This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. - Keep the instrument, board and signal configuration named on the sheet. A signal connection drawing does not give an equipment mounting footprint or define a complete control system. ### What can I use the User drawing -uFLO G4 OPT1 I/O (2104395 BOARD) WIRING W/RS-232,485 AND 422 FOR COMM2 reference for? Use this electrical connection diagram for instrument and control-system connections. This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. ### Which manufacturer reference identifies this drawing? ABB reference UD/2104568. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify User drawing -uFLO G4 OPT1 I/O (2104395 BOARD) WIRING W/RS-232,485 AND 422 FOR COMM2 → Select the connection diagram → Check circuit configuration This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. - [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=UD%2F2104568&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=-) ## Which file should I choose? Use UD/2104568.pdf revision - to read the original manufacturer sheet and its annotations. ## Official files - UD/2104568.pdf (PDF): https://search.abb.com/library/Download.aspx?DocumentID=UD%2F2104568&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=- Site download: https://eloragrid.ai/tools/cad-library/download/abb-user-drawing-uflo-g4-opt1-i-o-2104395-board-wiring-w-rs-232-485-and-422-for-comm2-fadf0a62bc/66446c4474fce60dca1d Hosting basis: no-explicit-prohibition; publisher attribution: ABB; reviewed: 2026-11-04 Rights review: Reviewed the available source, embedded drawing text and archive notices. No explicit applicable redistribution prohibition was identified. Rights remain unknown; no licence or manufacturer endorsement is asserted.; evidence: https://search.abb.com/library/Download.aspx?DocumentID=UD%2F2104568&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=- Purpose: Manufacturer drawing reference UD/2104568; acquired: true; redistribution: unknown; SHA-256: 66446c4474fce60dca1d68d4267892b8c38e08444569b0bb5e969de45df99195; revision: - Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.